It has been observed that the construction of big dams have certain problems associated with them. List three problems.
CBSE Class X Science SA 2 (3 Marks)
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Problems :
(i) Large areas of agriculture and human habitation are to be sacrified as they get submerged.
(ii) Large ecosystem is destroyed when submerged under the water in dams.
(iii) The submerged vegetation rots under anaerobic conditions and gives rise to large amount of methane, which is also a green house gas.
(i) Large areas of agriculture and human habitation are to be sacrified as they get submerged.
(ii) Large ecosystem is destroyed when submerged under the water in dams.
(iii) The submerged vegetation rots under anaerobic conditions and gives rise to large amount of methane, which is also a green house gas.
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Answer:
(i) Large areas of agriculture and human habitation are to be sacrified as they get submerged.
(ii) Large ecosystem is destroyed when submerged under the water in dams.
(iii) The submerged vegetation rots under anaerobic conditions and gives rise to large amount of methane, which is also a green house gas.
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